Home / 1,324.40-1,822.84-950.80

Finding the Fourth Proportional to 1,324.40, 1,822.84 and 950.80

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Solution

The fourth proportional to 1,324.40, 1,822.84 and 950.80 is: 1,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.40 : 1,822.84 = 950.80 : x
  2. Step 2: Convert to fraction form
    1,324.40/1,822.84 = 950.80/x
  3. Step 3: Cross multiply
    1,324.40x = 1,822.84 × 950.80
  4. Step 4: Simplify right side
    1,324.40x = 1,733,156.27
  5. Step 5: Solve for x
    x = 1,733,156.27/1,324.40
  6. Step 6: Final answer
    x = 1,308.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.